US Bridges

STC7839;HAPPY Vall over New York Canal

Fair

Canyon County, Idaho · 3.8S 2.4E Nampa City Ctr · Structure no. 000000000027381

Built
2004
21 years old
Condition
Fair
inspected February 2022
Type
Stringer/Multi-beam or Girder
Prestressed Concrete
Length
103 ft
1 main span
Daily traffic
670
2023 count
Owner
Local
Other Local Agency

About this bridge

STC7839;HAPPY Vall over New York Canal is a prestressed concrete stringer/multi-beam or girder carrying STC7839;HAPPY Vall over New York Canal in Canyon County, Idaho. It was built in 2004, so it is 21 years old, younger than the Idaho average of 45.3 years.

The most recent inspection reported to the Federal Highway Administration rates it in fair condition with a lowest component rating of 6 out of 9. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

It carries about 670 vehicles a day, projected to reach 1,005 by 2042. The structure is 103 ft (31.4 m) long and 49 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

CarriesSTC7839;HAPPY Vall
CrossesNew York Canal
Location3.8S 2.4E Nampa City Ctr
RouteCounty Highway 7839
StateIdaho
Coordinates43.52327, -116.5132
Functional classUrban Collector

Condition and inspection

Fair

The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

ComponentRatingMeaning
Deck7 GoodSome minor problems.
Superstructure8 Very GoodNo problems noted.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection9 ExcellentNo problems noted.
Last inspectionFebruary 2022
Inspection intervalevery 48 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Deck geometry9: Superior to present desirable criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating95 US tons
Inventory rating56 US tons

Structure

MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans1
Design loadHS 25 or greater
Structure length103 ft (31.4 m)
Longest span93 ft (28.3 m)
Deck width49 ft (14.9 m)
Roadway width46 ft (14.1 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic670 (2023)
Projected traffic1,005 by 2042
Trucks0%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed1.9 mi (3 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerOther Local Agency
Maintained byOther Local Agency
Historic statusHistorical significance not determinable at this time
Work proposedNone recorded
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was STC7839;HAPPY Vall over New York Canal built?

It was built in 2004, making it 21 years old in 2025.

What condition is STC7839;HAPPY Vall over New York Canal in?

The National Bridge Inventory rates it in fair condition. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound. The last reported inspection was in February 2022.

How much traffic does STC7839;HAPPY Vall over New York Canal carry?

About 670 vehicles per day (2023 count).

How long is STC7839;HAPPY Vall over New York Canal?

The structure is 103 ft (31.4 m) long with a longest span of 93 ft (28.3 m) and a deck 49 ft wide.

Who owns STC7839;HAPPY Vall over New York Canal?

It is owned by the Other Local Agency.